Wiper blade coupler



FIG. 1 is a perspective view of the wiper blade coupler design of the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is an end view thereof; and,

FIG. 7 is a view of the opposite end thereof. 

CLAIM The ornamental design for a wiper blade coupler, as shown and described. 